﻿/* Copyright 2010-2012 10gen Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;

using MongoDB.Bson;

namespace MongoDB.Driver.Internal
{
    internal class MongoGetMoreMessage : MongoRequestMessage
    {
        // private fields
        private string _collectionFullName;
        private int _numberToReturn;
        private long _cursorId;

        // constructors
        internal MongoGetMoreMessage(string collectionFullName, int numberToReturn, long cursorId)
            : base(MessageOpcode.GetMore, null, null)
        {
            _collectionFullName = collectionFullName;
            _numberToReturn = numberToReturn;
            _cursorId = cursorId;
        }

        // protected methods
        protected override void WriteBody()
        {
            Buffer.WriteInt32(0); // reserved
            Buffer.WriteCString(_collectionFullName);
            Buffer.WriteInt32(_numberToReturn);
            Buffer.WriteInt64(_cursorId);
        }
    }
}
